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Graphene is a material of great potential in a broad range of applications, for each of which specific tuning of the materials properties is required. This can be achieved, for example, by covalent functionalization. We have exploited two…

We have demonstrated a new method for the large-area graphene growth, which can lead to a scalable low-cost high-throughput production technology. The method is based on growing single-layer or few-layer graphene films from a molten phase.…

Materials Science · Physics 2010-11-19 Shaahin Amini , Javier Garay , Guanxiong Liu , Alexander A. Balandin , Reza Abbaschian

We demonstrate that it is possible to mechanically exfoliate graphene under ultra high vacuum conditions on the atomically well defined surface of single crystalline silicon. The flakes are several hundred nanometers in lateral size and…

Materials Science · Physics 2015-06-05 O. Ochedowski , G. Begall , N. Scheuschner , M. El Kharrazi , J. Maultzsch , M. Schleberger

Graphene, a monolayer of carbon atoms packed into a two-dimensional crystal structure, attracted intense attention owing to its unique structure and optical, electronic properties. Recent advances in chemical vapor deposition (CVD) have led…

Materials Science · Physics 2020-10-23 Yu-Hao Deng

Accumulative Roll Bonding(ARB) process was used to develop few-layer graphene nano platelets reinforced aluminum matrix (GNPs/Al) composite in the form of sheets. Annealed Al sheets were ARB processed up to 6 pass along with coating of…

Applied Physics · Physics 2018-07-03 Jitendar K Tiwari , Ajay Mandal , N Sathish , Venkat A N Ch , A K Srivastava

We measure the concentration of carbon adatoms on the Ru(0001) surface that are in equilibrium with C atoms in the crystal's bulk by monitoring the electron reflectivity of the surface while imaging. During cooling from high temperature, C…

Materials Science · Physics 2010-12-14 Kevin F. McCarty , Peter J. Feibelman , Elena Loginova , Norman C. Bartelt

This review on graphene, a one atom thick, two-dimensional sheet of carbon atoms, starts with a general description of the graphene electronic structure as well as a basic experimental toolkit for identifying and handling this material.…

Materials Science · Physics 2010-11-22 Caterina Soldano , Ather Mahmood , Erik Dujardin

Experiments [1] have shown that auto-kirigami structures can grow on the surface of graphene because the graphene-graphene adhesion energy is greater than the graphene-substrate interaction. In this work molecular dynamics (MD) simulations…

Chemical Physics · Physics 2025-09-18 Charlie M. Rawlins , Gareth A. Tribello

Graphene forms from a relatively dense, tightly-bound C-adatom gas, when elemental C is deposited on or segregates to the Ru(0001) surface. Nonlinearity of the graphene growth rate with C adatom density suggests that growth proceeds by…

Materials Science · Physics 2010-12-14 E. Loginova , N. C. Bartelt , P. J. Feibelman , K. F. McCarty

We systematically investigate the chemical vapor deposition growth of graphene on Ge(110) as a function of the deposition temperature close to the Ge melting point. By merging spectroscopic and morphological information, we find that the…

Mesoscale and Nanoscale Physics · Physics 2019-09-17 L. Persichetti , M. De Seta , A. M. Scaparro , V. Miseikis , A. Notargiacomo , A. Ruocco , A. Sgarlata , M. Fanfoni , F. Fabbri , C. Coletti , L. Di Gaspare

Although sheets of layered van der Waals solids offer great opportunities to custom-design nanomaterial properties, their weak interlayer adhesion challenges structural stability against mechanical deformation. Here, bending-induced…

Materials Science · Physics 2013-09-05 Pekka Koskinen

A basic kinetic model that incorporates a coupled dynamics of the carbon atoms and dimers on a copper surface is used to compute growth of a single-layer graphene island. The speed of the island's edge advancement on Cu[111] and Cu[100]…

Materials Science · Physics 2016-07-06 Mikhail Khenner

The growth of controlled 1D carbon-based nanostructures on metal surfaces is a multistep process whose path, activation energies and intermediate metastable states strongly depend on the employed substrate. Whereas this process has been…

The substrate temperature required for synthesis of graphene in an arc discharge plasma was studied. It was shown that an increase of copper substrate temperature up to the melting point leads to an increase in the amount of graphene…

Plasma Physics · Physics 2016-02-03 Xiuqi Fang , Alexey Shashurin , Michael Keidar

The simultaneous combination of scanning probe methods (tunnelling and force microscopies, STM and AFM) is a unique way to get an information about crystallographic and electronic structure of the studied surface. Here we apply these…

Materials Science · Physics 2015-02-04 Petar Stojanov , Elena Voloshina , Yuriy Dedkov , Stefan Schmitt , Torben Haenke , Andreas Thissen

Graphene, the one-atom-thick sp2 hybridized carbon crystal, displays unique electronic, structural and mechanical properties, which promise a large number of interesting applications in diverse high tech fields. Many of these applications…

Mesoscale and Nanoscale Physics · Physics 2016-09-27 Tommaso Cavallucci , Khatuna Kakhiani , Riccardo Farchioni , Valentina Tozzini

Germanium is emerging as the substrate of choice for the growth of graphene in CMOS-compatible processes. For future application in next generation devices the accurate control over the properties of high-quality graphene synthesized on Ge…

Materials Science · Physics 2018-05-04 A. M. Scaparro , V. Miseikis , C. Coletti , A. Notargiacomo , M. Pea , M. De Seta , L. Di Gaspare

We have used Low Energy Electron Microscopy (LEEM) and Photo Emission Electron Microscopy (PEEM) to study and improve the quality of graphene films grown on Ir(111) using chemical vapor deposition (CVD). CVD at elevated temperature already…

Graphene on copper is a system of high technological relevance, as Cu is one of the most widely used substrates for the CVD growth of graphene. However, very little is known about the details of their interaction. One approach to gain such…

Materials Science · Physics 2014-08-27 P. Süle , M. Szendrő , C. Hwang , L. Tapasztó

Annealing the Ru metal that typically contains residual carbon impurities offers a facile way to grow graphene on Ru(0001) at the macroscopic scale. Two superstructures of the graphene/Ru(0001) interface with periodicities of 3.0-nm and…

Materials Science · Physics 2011-11-09 De-en Jiang , Mao-Hua Du , Sheng Dai
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